1、BC Referencenumber ISO/IEC10173:1998(E) INTERNATIONAL STANDARD ISO/IEC 10173 Secondedition 19981215 Informationtechnology Telecommunicationsandinformation exchangebetweensystemsInterface connectorandcontactassignmentsfor ISDNprimaryrateaccessconnectorlocated atreferencepointsSandT Technologiesdelinf
2、ormationTlcommunicationsetchange dinformationentresystmesConnecteurdinterfaceetattributionsde contactpourconnecteurdaccsvitesseprimaireISDNsituauxpoints derfrenceSetTISO/IEC10173:1998(E) ISO/IEC1998 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformo
3、rbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. ISO/IECCopyrightOffice Casepostale56 CH1211Genve20 Switzerland PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)andIEC(theInternationalElectrotechnica
4、lCommission) formthespecializedsystemforworldwidestandardization.NationalbodiesthataremembersofISOorIEC participateinthedevelopmentofInternationalStandardsthroughtechnicalcommitteesestablishedbythe respectiveorganizationtodealwithparticularfieldsoftechnicalactivity.ISOandIECtechnicalcommittees colla
5、borateinfieldsofmutualinterest.Otherinternationalorganizations,governmentalandnongovernmental,in liaisonwithISOandIEC,alsotakepartinthework. Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalcommittee,ISO/IECJTC1. DraftInternationalStandardsadoptedbythejointtechnicalcommitteea
6、recirculatedtonationalbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthenationalbodiescastingavote. InternationalStandardISO/IEC10173waspreparedbyJointTechnicalCommittee,ISO/IECJTC1,Information technology,SubcommitteeSC6, Telecommunicationsandinformationexchangebe
7、tweensystems . Thissecondeditioncancelsandreplacesthefirstedition(ISO/IEC10173:1991),whichhasbeentechnically revised. AnnexesAtoDofthisInternationalStandardareforinformationonly.INTERNATIONALSTANDARD ISO/IEC ISO/IEC10173:1998(E) 1 InformationtechnologyTelecommunicationsandinformation exchangebetween
8、systemsInterfaceconnectorandcontact assignmentsforISDNprimaryrateaccessconnectorlocatedat referencepointsSandT 1Scope ThisInternationalStandardspecifiesthe8contactconnector(plugandjack)andtheassignmentsofitscontact numbersforuseinthephysicalinterfacesofIntegratedServicesDigitalNetwork(ISDN)primaryra
9、teaccess servicesconformingtoITUTRecommendationI.431. InthisInternationalStandard,asinITUTRecommendationI.431,theterm“NT”isusedtoindicatethenetwork terminatinglayer1aspectsofNT1sandNT2s,andtheterm“TE”isusedtoindicateterminallayer1aspectsof TE1s,TAsandNT2s. NOTES 1 ThisInternationalStandardspecifieso
10、nlythoseconnectordimensionsrequiredtoensureintermatabilityofplugand jack.CompletedetailedspecificationsoftheconnectorarethesubjectofIEC6037,seeannexC. 2 ITUTrecognizesanalternativeconnectionsystemwhichisnotcoveredbythisInternationalStandard.Ituses coaxialconnectorsasspecifiedinIEC1698(seeannexC),and
11、isillustratedinannexB. 2Normative references Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjectto revision,andpartiestoagreementsbasedonthisInternationalSt
12、andardareencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthestandardsindicatedbelow.MembersofIECandISOmaintain registersofcurrentlyvalidInternationalStandards. ISO/IEC8877:1992, InformationtechnologyTelecommunicationsandinformationexchangebetweensystems Interfaceconnectorandco
13、ntactassignmentsforISDNBasicAccessInterfacelocatedatreferencepointsSandT. ITUTRecommendationI.431:1993, PrimaryrateusernetworkinterfaceLayer1specification. 3Definitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply. 3.1 contact theconductiveelementinacomponentwhichmateswitht
14、hecorrespondingelementtoprovideanelectricalpath 3.2 plug freemaleconnector 3.3 jack fixedorfreefemaleconnectorISO/IEC10173:1998(E) ISO/IEC 2 4Connector PlugsandjackswithuptoeightcontactsarespecifiedfortheinterconnectionofTEsandNTs(see4.1).Optionsfor theuseofkeyingfeaturesarespecifiedin4.2. 4.1Genera
15、l requirements UnlesstheTEisdirectlyconnectedtotheinterfacecable,oneplugandjackpairshallbeusedtoconnecttheTE connectingcordtotheinterfacecableattheinterfacepointI a asspecifiedinITUTRecommendationI.431(see figuresA.1andB.1).UnlesstheNTisdirectlyconnectedtotheinterfacecable,aplugandjackpairshallbeuse
16、dto connecttheNTconnectingcordatinterfacepointI b .Insomecountries,wheretheNTisamultiportdevicesuchas aPABX,adifferentconnector(suchasonethataccommodatesmultipleinterfaces)maybeusedatinterfacepoint I b .AtypicalarrangementofconnectingcordsandaninterfacecableisshowninfigureA.1ofthisInternational Stan
17、dard. TEandNTconnectingcordsshallbeterminatedinplugsasspecifiedbelow.Thecordterminatingplugmayhave four,sixoreightcontacts.Thenumberofphysicalcontactsrequiredisdependentontheusebytheassociated equipment,TEorNT,ofoptionalpoweringprovisionsacrosstheinterface,andofoptionalprovisionsforshield continuity
18、.TheoptionalpoweringcapabilitiesaredescribedinITUTRecommendationI.431,Section8,andboth thepoweringandshieldcontinuityoptionsaresummarizedinannexAofthisInternationalStandard. UnlessintendedfordirectconnectiontotheTEorNT,interfacecablesshallbeterminatedinjacksasspecified below.Thejackmayhavefour,sixor
19、eightcontacts.Aswiththeplug,thenumberofcontactsrequiredisdependent ontheuseofpoweringandshieldcontinuityoptions. PlugsforuseinISDNprimaryrateapplicationsshallconformtothedimensionsspecifiedin4.2.Physicalcontacts 3,6,7and8areshownforillustrativepurposesinthereferencedfiguresandmaybeomittedfromtheconn
20、ector assemblyifnotrequired. 4.2Keying requirements Thespecified8contactconnectorsmaybeequippedwithkeyingfeaturesinaccordancewithnationalrequirements asspecifiedin4.2.2.Otherwise,therequirementsspecifiedin4.2.1apply. Whenprocuringequipmentinternationallythatwillusethe8contactconnectors,theusershalls
21、pecifythekeying featuresinaccordancewithnationalrequirements. 4.2.1Nonkeyed connector TheconnectorspecifiedinthisoptionhasthedimensionsoftheconnectorspecifiedinISO/IEC8877(ISDNbasic access),withnoadditionalprovisionsforkeying. Theconnectordimensionsnecessarytoensurematingoftheplugswithjacks(seenote1
22、)arespecifiedinclause4 ofISO/IEC8877. NOTE RecommendationsfortheavoidanceofrisksofdamagethroughinadvertentcrossconnectiontobasicaccessTEs orNTsaregiveninannexD. 4.2.2Keyed connector TheconnectorspecifiedinthisoptionhasthesamebasicdimensionsastheconnectorspecifiedinISO/IEC8877, butcontainsadditionalk
23、eyingfeaturestopreventinadvertentconnectiontoservicesusingthatconnector. Figure1illustratesthecordterminatingplug,andfigure2illustratesthejack. Connectordimensionsnecessarytoensurematingoftheplugswithjacks(seenote1)arespecifiedinfigures3to 5.Figure3givesthemechanicalspecificationsofthe8contactplug,a
24、ndfigure5thatofthejack.Figure4givesthe plug/jackspecificationformating. JacksforuseinISDNprimaryrateaccessapplicationsinaccordancewiththisoptionshallconformtothe dimensionsspecifiedinfigures4and5.However,asanoption,theprovisionforkeyingthejackmaybemodifiedto permittheinsertionofeithertheplugspecifie
25、dinISO/IEC8877(ISDNbasicaccess)ortheplugspecifiedinthis InternationalStandard.ISO/IEC ISO/IEC10173:1998(E) 3 NOTE Theconnectordimensionsspecifiedinfigures3to5andimplicitinfigures1and2arenotthesameasthose specifiedforthekeyedoptioninIEC6037. NOTE Thisportionoftheplugillustratesastructurenecessaryfors
26、ecuringthecordageandisnotpertinenttoproper matingwiththejack. Figure1Plug,8pole NOTE Jackcontactsnotshownforclarity. Figure2Jack,8poleISO/IEC10173:1998(E) ISO/IEC 4 Dimensionsinmillimetres (inchesinparentheses) NOTES 1 Withthelatchdepressed,thisdimensionshallbe8,36(0,329)max. 2 Dimensionstobecentral
27、lylocatedaboutthecentrelinewithin 0,08( 0,003). Figure3PlugmechanicalspecificationISO/IEC ISO/IEC10173:1998(E) 5 Dimensionsinmillimetres (inchesinparentheses) NOTES 1 The24min.angleappliesonlytoplugswithfrontplasticwallshigherthan4,83(0,190). 2 Jackcontactsmayberectangularwithawidthof0,5(0,019 5)max
28、.and0,36(0,014)min. Figure4Plug/jackcontactspecificationISO/IEC10173:1998(E) ISO/IEC 6 Dimensionsinmillimetres (inchesinparentheses) NOTE Guideslotsshallpreventanyindividualcontactfrombeingdisplacedfromitsassociatedslotwhilepermitting movementwithinindividualslots. Figure5Jackmechanicalspecification
29、ISO/IEC ISO/IEC10173:1998(E) 7 5 Assignmentofcontacts FourcontactsareassignedforthetwoconductorpairsforsignaltransmissionNTtoTEandTEtoNT,twocontacts eachforTRANSMITandRECEIVE.Contactsarealsoassignedforanoptionalpairusedforpowering,andfor continuityofshieldsforindividualpairs.Thecontactassignmentsapp
30、licabletotheinterfaceontheNT1sideofan NT2shallbethesameasfortheinterfaceataTE.Whereashieldtobothpairsisprovided,thetwocontactsmay beusedinparalleltoprovidecontinuity. NOTE ThisInternationalStandarddoesnotspecifywhereshieldingisrequired,butsomeinformationisgiveninA.3. TheuseoftwistedpairsforTRANSMITa
31、ndRECEIVEcircuitsshallconformtotheapplicablerequirementsofITUT RecommendationI.431. Table1Contactassignments Contact TE NT Polarity 1 Receive Transmit 2 Receive Transmit 3 Shield(R) 1) Shield(T) 1) 4 Transmit Receive 5 Transmit Receive 6 Shield(T) 1) Shield(R) 1) 7 Powersource 1) Powersink 1) 8 Powe
32、rsource 1) Powersink 1) + 1)Optional,seeA.2.ISO/IEC10173:1998(E) ISO/IEC 8 AnnexA (informative) Interfacecablesandconnectingcords,poweringandshielding A.1Interfacecablesandconnectingcords TheinterfacecablingarrangementimpliedbyITUTRecommendationI.431isillustratedinfigureA.1. Inmanyapplicationstheint
33、erfacecablewillbetheuserspremiseswiring,andajackinaformsuitableforwall mountingisrequired.InotherapplicationstheinterfacecablewillbewireddirectlytotheNTortheTEwithout connectors.However,whereconnectorsareusedtheyshallconformtothisInternationalStandard. A.2Poweringarrangements Theprovisionofpowertoth
34、eNTviatheinterfaceusingaseparatepairofwiresfromthoseusedfortransmissionis optional.ThevoltageandpowerrequirementsarespecifiedinITUTRecommendationI.431,Section8.The locationofthesourceofpower(i.e.whetherintheTEorinaseparateunit)isnotspecified. A.3Shielding Contacts3and6areprovidedforshieldcontinuityw
35、herethisisrequired.ITUTRecommendationI.431specifies thattheneedforshieldedcablesandthefurtherneedforshieldcontinuityareapplicationdependent.Insome applications,cordsandcablesmayhaveasingleshieldthatenclosesallconductors;inotherapplications,shields maybeprovidedforindividualTRANSMITandRECEIVEpairs.IS
36、O/IEC ISO/IEC10173:1998(E) 9 FigureA.1CablingandconnectorarrangementsISO/IEC10173:1998(E) ISO/IEC 10 AnnexB (informative) CoaxialconnectorsforISDNprimaryrateaccess Forthealternativeconnectorsystem,exceptwhentheTEisdirectlyconnectedtotheinterfacecable,two75ohm BNCconnectorpairs(plugandjack)arespecifi
37、edforuseattheinterfaceI a ,andexceptwhentheNTisdirectly connectedtotheinterfacecable,two75ohmBNCconnectorpairs(plugandjack)arespecifiedforuseatthe interfaceI b .Ineachcase,oneofthetwopairsisfortheTRANSMITdirectionandtheotherfortheRECEIVE direction.TheconnectorandcablingarrangementsareshowninfigureB.
38、1.Theconnectorsarespecifiedin IEC1698,withmatingdimensionsasshowninfiguresB.2andB.3. NOTES 1 Themeansofidentificationofeachpair(TRANSMITandRECEIVE)isnotspecified. 2 Theprovisionofaconnectorforthepowerfeedingoptionisnotspecified. 3 InIEC1698,thepin(male)connectorcorrespondstotheplug,andthesocket(fema
39、le)connectorcorrespondsto thejackasdefinedinthisInternationalStandard. FigureB.1CablingandconnectorarrangementsISO/IEC ISO/IEC10173:1998(E) 11 Dimensionsinmillimetres (inchesinparentheses) Ref. mm in min. max. min. max. b 8,10 8,15 0,319 0,321 c 4,88 4,93 0,192 0,194 e 5,31 5,38 0,209 0,212 f 5,38 5
40、,54 0,212 0,218 g 0,15 0,30 0,006 0,012 m 2,13 2,15 0,0837 0,0847 n 6,99 7,01 0,2752 0,2769 q 6,72 6,74 0,2645 0,2655 r 1) 0,13 0,20 0,005 0,008 r 2) 0,89 0,035 s 0,30 0,012 ag 5,31 5,36 0,209 0,211 ak 5,16nom. 5,16nom. 0,203nom. 0,203nom. FigureB.2MaleconnectorISO/IEC10173:1998(E) ISO/IEC 12 Dimens
41、ionsinmillimetres (inchesinparentheses) Ref. mm in min. max. min. max. a 9,60 9,68 0,378 0,381 b 8,10 8,15 0,319 0,321 c 4,67 4,72 0,184 0,186 d 6,58 6,68 0,259 0,263 e 5,21 5,28 9,205 0,208 f 5,08 5,23 0,200 0,206 g 0,0 0,15 0,00 0,006 m 2,13 2,15 0,0837 0,0847 n 6,99 7,01 0,2752 0,2760 q 6,71 6,76
42、 0,264 0,266ISO/IEC ISO/IEC10173:1998(E) 13 r 0,1 0,004 u 8,36 8,46 0,329 0,333 v 8,31 8,46 0,327 0,333 w 0,79 0,84 0,031 0,333 am 0,51 1,02 0,020 0,040 FigureB.3FemaleconnectorISO/IEC10173:1998(E) ISO/IEC 14 AnnexC (informative) Bibliography 1 IEC1698:1978, RadiofrequencyconnectorsPart8:R.F.coaxial
43、connectorswithinnerdiameterofouter conductor6.5mm(0.256in)withbayonetlockCharacteristicimpedance50ohms(TypeBNC). 2 IEC6037:1996,Connectorsforfrequenciesbelow3 MHzforusewithprintedboardsPart 7:Detail specificationforconnectors,8way,includingfixedandfreeconnectorswithcommonmatingfeatures,with assessedquality.ISO/IEC ISO/IEC10173:1998(E) 15 AnnexD (
